1630 Dunbier A1420N Mackay Axle Round Stub and Nut 200mm x 39mm Suits LM Bearings | Marine Trailer Part

🔧 Product Description

Dunbier Round Weld-In Axle Stub 200 × 39mm for LM Bearings - Part Number: 1630

A weld-in round axle stub approximately 200mm long with a 39mm axle-body section, supplied with the matching axle nut and washer. It allows fabrication or repair of a custom trailer axle while providing the machined journal surfaces required for the specified bearing family.

⚙️ Key Features

• Approximately 200mm overall stub length

• 39mm round weld-in body

• Machined tapered-roller-bearing journals

• Supplied with axle nut and washer

• Suitable for custom axle fabrication or approved repair

📏 Specifications

• Stub body size: 39mm round

• Approximate length: 200mm

• LM bearing family: Inner LM67048 cone with LM67010 cup

• LM bearing family: Outer LM11949 cone with LM11910 cup

• Standard rear seal commonly catalogued as Dunbier 1710

• Marine seal alternative commonly catalogued as Dunbier 1715 where the hub and journal suit

🔄 Cross Reference & Related Parts

• Dunbier: 1630

• Mackay: A1420N

• Hub and bearing kits must match the journal family

• Comparable weld-in stubs must match weld diameter, journal dimensions, thread and seal land

🚤 Trailer Compatibility & Application

• Suitable for axle fabrication by a competent trailer or engineering workshop

• Axle alignment, weld procedure and material compatibility are critical

• Not a bolt-on replacement part

🔌 Function

Provides the machined spindle, bearing seats, seal land and threaded hub-retaining point at the end of an axle beam.

Common signs of wear or replacement:

• Bearing journals are scored or undersize

• Stub is bent or cracked

• Thread is damaged

• Seal land is grooved or corroded

• Weld area shows cracking or axle misalignment

🛠️ Installation & Safety

• Stub welding and axle alignment should be completed by a qualified fabricator

• Protect machined journals from weld spatter and heat damage

• Use a jig to maintain track, toe and camber

• Inspect welds and axle straightness before assembly

• Fit new bearings, seal, nut and split pin

📦 Condition

• Brand new Dunbier Marine Products trailer component

• Supplied as one axle stub with nut and washer

• Supplied in original or equivalent packaging